IT:AD:IIS Express:HowTo:Run it from the Command Line

Use appcmd.exe

appcmd migrate config "Default Web Site/"

To keep in Classic Mode AP:

run appcmd set app "Default Web Site/" /applicationPool:"Clr4ClassicAppPool"

32/64 bit:

appcmd set apppool /apppool.name: /enable32BitAppOnWin64:false

• http://www.iis.net/learn/extensions/using-iis-express/running-iis-express-from-the-command-line